classificationParametersnumerical value
Wireless parametersOperating   frequency bandWH-NB73-B5:   Band5
WH-NB73-B8: Band8
WH-NB73-BA: Band1/2/3/5/8/20
WH-NB73-CT/CTA: Band5
WH-NB73-CM/CMA: Band3/Band8
WH-NB73-CU/CUA: Band3/Band8
Transmission power23+/-2dBm
Reception sensitivity-129dBm
Antenna optionsPad/IPEX/built-in   antenna
Hardware parametersdata   interfaceWH-NB73-B5/B8:
Communication Serial Port UART0 for AT   instruction and data transfer.Support baud rate 4800bps, 9600bps, 57600bps,   115200bps.Higher than 9600bps can affect low power consumption.
LOG port UART1 for log printing with a baud   rate of 921600 bps.
WH-NB73-BA/BAA/CT/CTA:
Communication Serial Port UART0 for AT   instruction and data transfer.Support baud rate 2400 4800 9600 57600 115200   230400 460800 921600.Above 57600 BPS will affect low power consumption.
LOG port UART1 for log printing with a baud   rate of 921600 bps.
working voltage3.1V   ~ 4.2V, typical value 3.8V
Working Current (3.8V)WH-NB73-B5/B8:
Emission Current 302 mA in Active Mode (23dBm   Fixed Frequency Test)
Receive Current in Active Mode50mA@3.8V
Idle Current1mA@3.8V
PSM Current 5muA@3.8V
WH-NB73-BA/BAA/CT/CTA:
Emission Current 336 mA in Active Mode (23dBm   Fixed Frequency Test)
Receive Current in Active Mode40mA@3.8V
Idle Current1mA@3.8V
PSM Current 5muA@3.8V
working temperature-30℃ ~   +85℃
Extension temperature: -40℃ ~ +85℃
Radio frequency performance, such as module   transmission power, may decrease at extended temperatures, exceeding 3GPP   compliance requirements.
Storage temperature-40℃ ~   +85℃
Operating humidity5%~95%RH   (no condensation)
Storage humidity5%~95%RH   (no condensation)
sizeDimensions:   27.99mm x 24.50mm x 2.80mm
Encapsulation interfaceSMT   sheet paste

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